21423164

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 44556288

約数和(自身を除く): 23133124

約数列:

[1, 2, 4, 7, 14, 28, 47, 73, 94, 146, 188, 223, 292, 329, 446, 511, 658, 892, 1022, 1316, 1561, 2044, 3122, 3431, 6244, 6862, 10481, 13724, 16279, 20962, 24017, 32558, 41924, 48034, 65116, 73367, 96068, 113953, 146734, 227906, 293468, 455812, 765113, 1530226, 3060452, 5355791, 10711582, 21423164]

約数ペア:

[(1, 21423164), (2, 10711582), (4, 5355791), (7, 3060452), (14, 1530226), (28, 765113), (47, 455812), (73, 293468), (94, 227906), (146, 146734), (188, 113953), (223, 96068), (292, 73367), (329, 65116), (446, 48034), (511, 41924), (658, 32558), (892, 24017), (1022, 20962), (1316, 16279), (1561, 13724), (2044, 10481), (3122, 6862), (3431, 6244)]